7980950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 16189440

約数和(自身を除く): 8208490

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 271, 310, 475, 542, 589, 775, 950, 1178, 1355, 1550, 2710, 2945, 5149, 5890, 6775, 8401, 10298, 13550, 14725, 16802, 25745, 29450, 42005, 51490, 84010, 128725, 159619, 210025, 257450, 319238, 420050, 798095, 1596190, 3990475, 7980950]

約数ペア:

[(1, 7980950), (2, 3990475), (5, 1596190), (10, 798095), (19, 420050), (25, 319238), (31, 257450), (38, 210025), (50, 159619), (62, 128725), (95, 84010), (155, 51490), (190, 42005), (271, 29450), (310, 25745), (475, 16802), (542, 14725), (589, 13550), (775, 10298), (950, 8401), (1178, 6775), (1355, 5890), (1550, 5149), (2710, 2945)]